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Allergy Terms explained
Glossary of Allergy Terms
Acute: means a short medical history or duration of a disease. It denotes fast progress and short action of a disease. Compare Chronic.
Allergen: is any substance capable of causing an allergy. (The definition sort of goes round in circles doesn't it?)
Allergy: we define allergy as being an altered state or response by the body to any substance. IgE mediated responses we prefer to call Atopy rather than allergy.
Atopy: is a greek word meaning 'a strange disease'. Modern usage tends to confine it to IgE mediated allergic responses. Most often manifested as a skin or mucous membrane response as against a generalised body response. An atopic individual is generally considered to be a person who has a genetic disposition to allergy.
Chronic: means a long medical history or duration of a disease. It denotes slow progress and long continuation of a disease. Compare Acute.
Desensitisation: This is a medical procedure where antigen in controlled quantities is injected under the skin. This enables the body to develop resistance to the antigen. It is a form of vaccination.
Disease: is literally dis-ease or lack of ease. Medically it is a disfunction of any of the organs, tissues or systems of the body.
Patch test: This is an allergy test where a special "patch" of test material is placed upon the skin and the allergy response tested
Prick test: This is an allergy test where an allergen is placed pricked onto the skin and the allergy response tested
RAST: is an acronym for radioallergosorbent test, a specific type of serum test performed in a laboratory
Sign: is any abnormality which indicates the presence of a disease and found by the doctor on his examination of a person. It is an objective symptom, whereas a symptom itself is subjective.
Symptom: is any abnormal function of the body, including appearance or sensation, experienced by a person and that indicates a diseases process.
Syndrome: is a particular set of symptoms that define a particular disease and are always associated with that disease.
Vaccine: This is an antigen made up to in controlled strength and used to desensitise the body. Also known as desensitisation.
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Courtesy of The Allergy Centre 03 9874 4144
This page was last reviewed on 17th Aug 200
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